E*Thirteen

Helix Core e*spec Crankset - BOSCH CX Gen4/SX-Brose S Mag-TQ HPR50, 26mm Offset

Upgrade your e-bike with Helix Core e*spec cranks, engineered for strength, style, and performance without added weight. Forged aluminum arms deliver durability for e-MTB riding, while alloy self-extracting crank bolts, pedal washers, and molded impact boots provide high-end features at an exceptional value. Shorter crank lengths favored by e-riders ensure an optimized fit and ride feel.

• Available in 24mm ISIS for popular motor systems or 30mm ETOR for Fazua Ride 60
• ISIS spindle cranks offer 21.5mm and 26mm offsets to customize Q-factor and ride feel
• 26mm offset optimized for Bosch CX Gen4/Gen5; fits all ISIS spindle motors
• 21.5mm offset designed for Bosch SX, Brose S-Mag, DJI Avinox, TQ HPR50, and Specialized 2.2 & 3.1